Instrument Flight Rules

Sections

• 91.167
  § 91.167 Fuel requirements for flight in IFR conditions.
• 91.169
  § 91.169 IFR flight plan: Information required.
• 91.171
  § 91.171 VOR equipment check for IFR operations.
• 91.173
  § 91.173 ATC clearance and flight plan required.
• 91.175
  § 91.175 Takeoff and landing under IFR.
• 91.176
  § 91.176 Straight-in landing operations below DA/DH or MDA using an enhanced flight vision system (EFVS) under IFR.
• 91.177
  § 91.177 Minimum altitudes for IFR operations.
• 91.179
  § 91.179 IFR cruising altitude or flight level.
• 91.180
  § 91.180 Operations within airspace designated as Reduced Vertical Separation Minimum airspace.
• 91.181
  § 91.181 Course to be flown.
• 91.183
  § 91.183 IFR communications.
• 91.185
  § 91.185 IFR operations: Two-way radio communications failure.
• 91.187
  § 91.187 Operation under IFR in controlled airspace: Malfunction reports.
• 91.189
  § 91.189 Category II and III operations: General operating rules.
• 91.191
  § 91.191 Category II and Category III manual.
• 91.193
  § 91.193 Certificate of authorization for certain Category II operations.
• 91.195-91.199
  §§ 91.195-91.199 [Reserved]